<p>
  机房管理
</p>
<div class="tools">
<nz-collapseset [nzAccordion]="true">
  <nz-collapse  nzTitle="机柜" nzActive="true">
    <div>
      <img draggable="true" src="assets/jf.svg" alt="" width="80px;">
    </div>
  </nz-collapse>
  <nz-collapse  nzTitle="安全防范" nzActive="false">
      <div><img draggable="true" src="assets/fwq.svg" alt="" width="80px;"></div>
      <img src="assets/yun.svg" alt="" width="80px;">
  </nz-collapse>
  <nz-collapse  nzTitle="自定义" nzActive="false">
      <img src="assets/jfgc.svg" alt="" width="80px;">
      <img draggable="true" src="assets/sjjf.svg" alt="" width="80px;">
      <div draggable="true" style="width:30px;height:30px;background:#2898E0"></div>
  </nz-collapse>
</nz-collapseset>
</div>
<div class="machine-room" id="mcRoom" style="width: 800px; height: 600px; margin: auto; border: solid 1px #2898E0;">
</div>